forked from trinitrix/core
build(flake): Replace self-packaged cranelift with rustup's
Motivation ========== The self-packed one sort-of worked, but was rather flaky, while the one from rustup obviously works, as it's an officially distributed part. Running it ========== Instead of the `cargo clif [build, etc.]` you now need to run (on nightly): ``` RUSTFLAGS="-Zcodegen-backend=cranelift" cargo build ``` Performance =========== On my system I noticed, that a debug build takes around 20 sec *more* with cranelift, compared to the default LLVM backend. One possible hypothesis, for that could be, that cranelift does not link via `mold` but instead still uses GNU's `gold`. On the other hand, the performance decrease could also be caused by the fact, that it's an early preview and some optimizations are still lacking.
This commit is contained in:
parent
c1b426d590
commit
df07c3fc24
34
flake.lock
34
flake.lock
|
@ -76,9 +76,7 @@
|
|||
"flake-compat": "flake-compat",
|
||||
"flake-utils": "flake-utils",
|
||||
"nixpkgs": "nixpkgs",
|
||||
"rust-overlay": "rust-overlay",
|
||||
"rustc_cranelift_backend": "rustc_cranelift_backend",
|
||||
"rustc_cranelift_backend_src": "rustc_cranelift_backend_src"
|
||||
"rust-overlay": "rust-overlay"
|
||||
}
|
||||
},
|
||||
"rust-overlay": {
|
||||
|
@ -104,36 +102,6 @@
|
|||
"type": "github"
|
||||
}
|
||||
},
|
||||
"rustc_cranelift_backend": {
|
||||
"flake": false,
|
||||
"locked": {
|
||||
"lastModified": 1698679294,
|
||||
"narHash": "sha256-plG6ifmuMwy7pr0KE19Oz+HKLH+4UDuuXZ1u0s9RtNQ=",
|
||||
"owner": "bjorn3",
|
||||
"repo": "rustc_codegen_cranelift",
|
||||
"rev": "9a33f82140c6da6e5808253309c674554b93e9fe",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "bjorn3",
|
||||
"ref": "dev",
|
||||
"repo": "rustc_codegen_cranelift",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"rustc_cranelift_backend_src": {
|
||||
"flake": false,
|
||||
"locked": {
|
||||
"lastModified": 1698679361,
|
||||
"narHash": "sha256-vc7T92wEfufuPc8q2/xq4mQK/uFfoG7pKOVWYxbHzds=",
|
||||
"type": "tarball",
|
||||
"url": "https://github.com/bjorn3/rustc_codegen_cranelift/releases/download/dev/cg_clif-x86_64-unknown-linux-gnu.tar.xz"
|
||||
},
|
||||
"original": {
|
||||
"type": "tarball",
|
||||
"url": "https://github.com/bjorn3/rustc_codegen_cranelift/releases/download/dev/cg_clif-x86_64-unknown-linux-gnu.tar.xz"
|
||||
}
|
||||
},
|
||||
"systems": {
|
||||
"locked": {
|
||||
"lastModified": 1681028828,
|
||||
|
|
101
flake.nix
101
flake.nix
|
@ -29,16 +29,6 @@
|
|||
flake-utils.follows = "flake-utils";
|
||||
};
|
||||
};
|
||||
|
||||
# cranelift
|
||||
rustc_cranelift_backend = {
|
||||
url = "github:bjorn3/rustc_codegen_cranelift/dev";
|
||||
flake = false;
|
||||
};
|
||||
rustc_cranelift_backend_src = {
|
||||
url = "https://github.com/bjorn3/rustc_codegen_cranelift/releases/download/dev/cg_clif-x86_64-unknown-linux-gnu.tar.xz";
|
||||
flake = false;
|
||||
};
|
||||
};
|
||||
|
||||
outputs = {
|
||||
|
@ -47,8 +37,6 @@
|
|||
crane,
|
||||
flake-utils,
|
||||
rust-overlay,
|
||||
rustc_cranelift_backend,
|
||||
rustc_cranelift_backend_src,
|
||||
...
|
||||
}:
|
||||
flake-utils.lib.eachDefaultSystem (system: let
|
||||
|
@ -74,94 +62,20 @@
|
|||
done
|
||||
'';
|
||||
};
|
||||
c_rust = pkgs.rust-bin.fromRustupToolchainFile "${rustc_cranelift_backend}/rust-toolchain";
|
||||
rcb = pkgs.stdenv.mkDerivation {
|
||||
pname = "rustc_cranelift_backend";
|
||||
version = "1.0";
|
||||
buildInputs = [c_rust];
|
||||
nativeBuildInputs = with pkgs; [gawk fd];
|
||||
srcs = ["${rustc_cranelift_backend_src}" "${c_rust}"];
|
||||
sourceRoot = ".";
|
||||
postUnpack = ''
|
||||
rust_dir="$(fd . --max-depth 1 | awk '!/source/ && !/env-vars/')"
|
||||
|
||||
# remove unneeded stuff
|
||||
rm -r "$rust_dir"/{bin,nix-support,share};
|
||||
rm -r "$rust_dir"/lib/rustlib/{etc,src,rustc-src};
|
||||
|
||||
cp -r "$rust_dir"/. source/extra_dependencies
|
||||
rm -r "$rust_dir"
|
||||
cd source
|
||||
'';
|
||||
postPatch = ''
|
||||
# patch bins
|
||||
for file in $(fd . --type file);do
|
||||
file="$(file --mime "$file" | awk 'BEGIN{FS=":"}/application\/x-pie-executable/{print $1}')";
|
||||
if [ "$file" ]; then
|
||||
echo "file: '$file' matches";
|
||||
correct_interpreter_path="$(ldd "$file" | tail -n1 | awk 'BEGIN{FS="=> "} {print $2}' | awk 'BEGIN{FS=" "}{print $1}')"
|
||||
echo "correct interpreter path is: '$correct_interpreter_path'"
|
||||
patchelf --set-interpreter "$correct_interpreter_path" "$file"
|
||||
|
||||
if [ "$(patchelf --print-interpreter "$file")" = "$correct_interpreter_path" ];then
|
||||
echo "Set interpreter";
|
||||
else
|
||||
echo "Failed to set interprter, the interpreter still is $(patchelf --print-interpreter )";
|
||||
exit 1
|
||||
fi
|
||||
fi
|
||||
done
|
||||
|
||||
# patch libs
|
||||
all_files=$(mktemp);
|
||||
for file in $(fd .);do
|
||||
canonical_path="$(readlink -f "$file")"
|
||||
file="$(file --mime "$canonical_path" | awk 'BEGIN{FS=":"}/application\/x-sharedlib/{print $1}')";
|
||||
if [ "$file" ]; then
|
||||
echo "$file" >> $all_files;
|
||||
fi
|
||||
done
|
||||
while read -r file; do
|
||||
echo "___________________";
|
||||
echo "Checking file: '$file'";
|
||||
is_missing="$(ldd "$file" | awk 'BEGIN{FS="=>"}{if (/not found/){print $1}}')"
|
||||
if [ "$is_missing" ];then
|
||||
echo "Warning: The following things are missing:";
|
||||
for line in $is_missing; do
|
||||
echo " $line";
|
||||
done
|
||||
echo
|
||||
for line in $is_missing; do
|
||||
echo "Searching for a substitute for '$line'"
|
||||
substitute="$(grep "$line" "$all_files" | awk 'BEGIN{FS=" "}{print $1}' | tail -n1)";
|
||||
if [ "$substitute" ]; then
|
||||
echo "Found '$substitute', which can substitute '$line'"
|
||||
echo "Patching.."
|
||||
patchelf --replace-needed "$line" "$(readlink -f "$substitute")" "$file";
|
||||
else
|
||||
echo "Error: Failed to find a substitute"
|
||||
fi
|
||||
done
|
||||
else
|
||||
echo "This file is not missing anything"
|
||||
fi
|
||||
done < $all_files
|
||||
rm $all_files
|
||||
'';
|
||||
installPhase = ''
|
||||
install -d $out/
|
||||
cp -r ./. $out/
|
||||
'';
|
||||
};
|
||||
pkgs = import nixpkgs {
|
||||
inherit system;
|
||||
overlays = [(import rust-overlay)];
|
||||
};
|
||||
|
||||
nightly = false;
|
||||
nightly = true;
|
||||
rust =
|
||||
if nightly
|
||||
then pkgs.rust-bin.selectLatestNightlyWith (toolchain: toolchain.default)
|
||||
then
|
||||
(pkgs.rust-bin.selectLatestNightlyWith (toolchain:
|
||||
toolchain.default))
|
||||
.override {
|
||||
extensions = ["rustc-codegen-cranelift-preview"];
|
||||
}
|
||||
else pkgs.rust-bin.stable.latest.default;
|
||||
|
||||
craneLib = (crane.mkLib pkgs).overrideToolchain rust;
|
||||
|
@ -169,7 +83,6 @@
|
|||
nativeBuildInputs = with pkgs; [
|
||||
pkg-config
|
||||
mold'
|
||||
rcb
|
||||
];
|
||||
buildInputs = with pkgs; [
|
||||
openssl
|
||||
|
|
Loading…
Reference in New Issue